प्रत्याहारवर्णनम्
Pratyāhāra—Cosmic Withdrawal / Dissolution Sequence
तयोः प्रवर्त्तकं मध्ये इहैवावर्त्तकं रजः / इत्येवं परिवर्तन्तेत्रयश्चेतोगुणात्मकाः
tayoḥ pravarttakaṃ madhye ihaivāvarttakaṃ rajaḥ / ityevaṃ parivartantetrayaścetoguṇātmakāḥ
Between those two, Rajas here is the instigator and the turning force. Thus the three mind-born guṇas continually revolve and change.